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LD3985M122R from ST,ST Microelectronics

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LD3985M122R

Manufacturer: ST

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE

Partnumber Manufacturer Quantity Availability
LD3985M122R ST 30 In Stock

Description and Introduction

ULTRA LOW DROP LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985M122R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics.  

### **Specifications:**  
- **Output Voltage:** 1.22V (fixed)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Dropout Voltage:** 200mV (typical at 150mA load)  
- **Maximum Output Current:** 150mA  
- **Low Quiescent Current:** 50µA (typical)  
- **High PSRR (Power Supply Rejection Ratio):** 70dB @ 1kHz  
- **Low Noise:** 30µVRMS (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Features:**  
- Ultra-low dropout voltage  
- Very low quiescent current  
- High PSRR for noise-sensitive applications  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Short-circuit protection  

### **Applications:**  
- Battery-powered devices  
- Portable electronics  
- RF and analog circuits  
- Microcontroller power supply  

This regulator is designed for applications requiring a stable, low-noise power supply with minimal power loss.

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